Container sidewall



FIG. 1 is a side elevational view of a container sidewall showing our new design, the opposite side being the same in appearance;

FIG. 2 is a perspective view of the container sidewall according to our new design;

FIG. 3 is a perspective view of the container sidewall rotated 30 degrees; and,

FIG. 4 is a top plan view of the container sidewall, the bottom plan view being the same in appearance.

The broken lines showing a container top and bottom are for the purpose of showing environmental structure only. 

The ornamental design for a container sidewall, as shown and described. 